diff --git a/build.gradle b/build.gradle
index 4bece4f51..c73cdb7af 100644
--- a/build.gradle
+++ b/build.gradle
@@ -121,7 +121,7 @@ jacocoTestReport {
     }
 }
 
-String version = '6.4.3'
+String version = '6.4.5'
 
 task updateVersion {
     doLast {
diff --git a/tests/jenkins/TestPublishToRubyGems.groovy b/tests/jenkins/TestPublishToRubyGems.groovy
index 8986974b7..8c089f035 100644
--- a/tests/jenkins/TestPublishToRubyGems.groovy
+++ b/tests/jenkins/TestPublishToRubyGems.groovy
@@ -28,7 +28,7 @@ class TestPublishToRubyGems extends BuildPipelineTest {
         assertThat(curlCommands, hasItem(
             "cd /tmp/workspace/dist && curl --fail --data-binary @`ls *.gem` -H 'Authorization:API_KEY' -H 'Content-Type: application/octet-stream' https://rubygems.org/api/v1/gems".toString()
         ))
-        assertThat(gemCommands, hasItem("#!/bin/bash\n        gem cert --add /tmp/workspace/certs/opensearch-rubygems.pem\n        source ~/.rvm/scripts/rvm && rvm use 2.6.0 && ruby --version\n        cd /tmp/workspace/dist && gemNameWithVersion=\$(ls *.gem)\n        gem install \$gemNameWithVersion\n        gemName=\$(echo \$gemNameWithVersion | sed -E 's/(-[0-9.]+-*[a-z]*.gem\$)//g')\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P MediumSecurity\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P HighSecurity\n    "))
+        assertThat(gemCommands, hasItem("#!/bin/bash\n        source ~/.rvm/scripts/rvm && rvm use 2.6.0 && ruby --version\n        gem cert --add /tmp/workspace/certs/opensearch-rubygems.pem\n        cd /tmp/workspace/dist && gemNameWithVersion=\$(ls *.gem)\n        gem install \$gemNameWithVersion\n        gemName=\$(echo \$gemNameWithVersion | sed -E 's/(-[0-9.]+-*[a-z]*.gem\$)//g')\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P MediumSecurity\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P HighSecurity\n    "))
     }
 
     @Test
@@ -40,7 +40,7 @@ class TestPublishToRubyGems extends BuildPipelineTest {
         def gemCommands = getCommands('sh', 'gem')
         assertThat(curlCommands, hasItem(
             "cd /tmp/workspace/test && curl --fail --data-binary @`ls *.gem` -H 'Authorization:API_KEY' -H 'Content-Type: application/octet-stream' https://rubygems.org/api/v1/gems".toString()))
-        assertThat(gemCommands, hasItem("#!/bin/bash\n        gem cert --add /tmp/workspace/certificate/path\n        source ~/.rvm/scripts/rvm && rvm use jruby-9.3.0.0 && ruby --version\n        cd /tmp/workspace/test && gemNameWithVersion=\$(ls *.gem)\n        gem install \$gemNameWithVersion\n        gemName=\$(echo \$gemNameWithVersion | sed -E 's/(-[0-9.]+-*[a-z]*.gem\$)//g')\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P MediumSecurity\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P HighSecurity\n    "))
+        assertThat(gemCommands, hasItem("#!/bin/bash\n        source ~/.rvm/scripts/rvm && rvm use jruby-9.3.0.0 && ruby --version\n        gem cert --add /tmp/workspace/certificate/path\n        cd /tmp/workspace/test && gemNameWithVersion=\$(ls *.gem)\n        gem install \$gemNameWithVersion\n        gemName=\$(echo \$gemNameWithVersion | sed -E 's/(-[0-9.]+-*[a-z]*.gem\$)//g')\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P MediumSecurity\n        gem uninstall \$gemName\n        gem install \$gemNameWithVersion -P HighSecurity\n    "))
     }
 
     def getCommands(method, text) {
diff --git a/tests/jenkins/jobs/PublishToRubyGemWithArgs_Jenkinsfile.txt b/tests/jenkins/jobs/PublishToRubyGemWithArgs_Jenkinsfile.txt
index 6fa1d78e2..11c4b0fce 100644
--- a/tests/jenkins/jobs/PublishToRubyGemWithArgs_Jenkinsfile.txt
+++ b/tests/jenkins/jobs/PublishToRubyGemWithArgs_Jenkinsfile.txt
@@ -5,8 +5,8 @@
             PublishToRubyGemWithArgs_Jenkinsfile.script(groovy.lang.Closure)
                PublishToRubyGemWithArgs_Jenkinsfile.publishToRubyGems({apiKeyCredentialId=ruby-api-key, gemsDir=test, publicCertPath=certificate/path, rubyVersion=jruby-9.3.0.0})
                   publishToRubyGems.sh(#!/bin/bash
-        gem cert --add /tmp/workspace/certificate/path
         source ~/.rvm/scripts/rvm && rvm use jruby-9.3.0.0 && ruby --version
+        gem cert --add /tmp/workspace/certificate/path
         cd /tmp/workspace/test && gemNameWithVersion=$(ls *.gem)
         gem install $gemNameWithVersion
         gemName=$(echo $gemNameWithVersion | sed -E 's/(-[0-9.]+-*[a-z]*.gem$)//g')
diff --git a/tests/jenkins/jobs/PublishToRubyGems_JenkinsFile.txt b/tests/jenkins/jobs/PublishToRubyGems_JenkinsFile.txt
index 45fad0462..c55b56c3e 100644
--- a/tests/jenkins/jobs/PublishToRubyGems_JenkinsFile.txt
+++ b/tests/jenkins/jobs/PublishToRubyGems_JenkinsFile.txt
@@ -5,8 +5,8 @@
             PublishToRubyGems_JenkinsFile.script(groovy.lang.Closure)
                PublishToRubyGems_JenkinsFile.publishToRubyGems({apiKeyCredentialId=ruby-api-key})
                   publishToRubyGems.sh(#!/bin/bash
-        gem cert --add /tmp/workspace/certs/opensearch-rubygems.pem
         source ~/.rvm/scripts/rvm && rvm use 2.6.0 && ruby --version
+        gem cert --add /tmp/workspace/certs/opensearch-rubygems.pem
         cd /tmp/workspace/dist && gemNameWithVersion=$(ls *.gem)
         gem install $gemNameWithVersion
         gemName=$(echo $gemNameWithVersion | sed -E 's/(-[0-9.]+-*[a-z]*.gem$)//g')
diff --git a/vars/publishToRubyGems.groovy b/vars/publishToRubyGems.groovy
index 47a99a749..e0f2596be 100644
--- a/vars/publishToRubyGems.groovy
+++ b/vars/publishToRubyGems.groovy
@@ -23,8 +23,8 @@ void call(Map args = [:]) {
     String rubyVersion = args.rubyVersion ?: '2.6.0'
 
     sh """#!/bin/bash
-        gem cert --add ${certPath}
         source ~/.rvm/scripts/rvm && rvm use ${rubyVersion} && ruby --version
+        gem cert --add ${certPath}
         cd ${releaseArtifactsDir} && gemNameWithVersion=\$(ls *.gem)
         gem install \$gemNameWithVersion
         gemName=\$(echo \$gemNameWithVersion | sed -E 's/(-[0-9.]+-*[a-z]*.gem\$)//g')